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Data Sheet
ADE7880
Parameter 1 , 2
Min
Typ
Max
Unit
Test Conditions/Comments
Output Frequency Variation
Fundamental Reactive Energy
Measurement Bandwidth (?3 dB)
RMS MEASUREMENTS
I RMS and V RMS Measurement
Bandwidth (?3 dB)
0.01
3.3
3.3
%
kHz
kHz
I RMS and V RMS Measurement Error
(PSM0 Mode)
0.1
%
Over a dynamic range of 1000 to 1,
PGA = 1
MEAN ABSOLUTE VALUE (MAV)
MEASUREMENT
I MAV Measurement Bandwidth
(PSM1 Mode)
260
Hz
I MAV Measurement Error (PSM1 Mode)
0.5
%
Over a dynamic range of 100 to 1,
PGA = 1, 2, 4, 8
HARMONIC MEASUREMENTS
Bandwidth (?3 dB)
No attenuation Pass Band
3.3
2.8
kHz
kHz
Fundamental Line Frequency f L
45
66
Hz
Nominal voltages must have amplitudes
greater than 100 mV peak at voltage ADCs
Maximum Number of Harmonics 3
Absolute Maximum Number of
Harmonics
? 2800 ?
? ?
? f L ?
63
Harmonic RMS Measurement Error
1
%
Instantaneous reading accuracy over a
dynamic range of 1000 to 1 for harmonics
of frequencies within the pass band; after
the initial 750 ms settling time; PGA = 1
Accuracy over a dynamic range of 2000:1
for harmonics of frequencies within the
pass band; average of 10 readings at 128
ms update rate, after the initial 750 ms
setting time; PGA = 1
Harmonic Active/Reactive Power
Measurement Error
1
%
Instantaneous reading accuracy over a
dynamic range of 1000 to 1 for harmonics
of frequencies within the pass band; after
the initial 750 ms settling time; PGA = 1.
Accuracy over a dynamic range of 2000:1
for harmonics of frequencies within the
pass band; average of 5 readings at 128 ms
update rate, after the initial 750 ms setting
time; PGA = 1.
ANALOG INPUTS
Maximum Signal Levels
±500
mV peak
Differential inputs between the following
pins: IAP and IAN, IBP and IBN, ICP and ICN;
single-ended inputs between the following
pins: VAP and VN, VBP and VN, VCP, and VN
Input Impedance (DC)
IAP, IAN, IBP, IBN, ICP, ICN, VAP, VBP,
and VCP Pins
VN Pin
490
170
kΩ
kΩ
ADC Offset Error
?35
mV
PGA = 1, uncalibrated error, see the
Terminology section. Scales inversely
proportional to the other PGA gains.
Gain Error
?2
%
External 1.2 V reference
Rev. A | Page 5 of 104
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